About the Execution of 2020-gold for SmartHome-PT-09
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
367.376 | 11324.00 | 14232.00 | 214.30 | 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2021-input.r264-tall-162106766700055.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
....................
=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is SmartHome-PT-09, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r264-tall-162106766700055
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 408K
-rw-r--r-- 1 mcc users 11K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 100K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.2K Mar 28 16:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 28 16:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Mar 28 16:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 28 16:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 27 13:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K Mar 27 13:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 25 19:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 14K Mar 25 19:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 22 08:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 22 08:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:52 equiv_col
-rw-r--r-- 1 mcc users 3 May 5 16:52 instance
-rw-r--r-- 1 mcc users 6 May 5 16:52 iscolored
-rw-r--r-- 1 mcc users 64K May 5 16:52 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME SmartHome-PT-09-UpperBounds-00
FORMULA_NAME SmartHome-PT-09-UpperBounds-01
FORMULA_NAME SmartHome-PT-09-UpperBounds-02
FORMULA_NAME SmartHome-PT-09-UpperBounds-03
FORMULA_NAME SmartHome-PT-09-UpperBounds-04
FORMULA_NAME SmartHome-PT-09-UpperBounds-05
FORMULA_NAME SmartHome-PT-09-UpperBounds-06
FORMULA_NAME SmartHome-PT-09-UpperBounds-07
FORMULA_NAME SmartHome-PT-09-UpperBounds-08
FORMULA_NAME SmartHome-PT-09-UpperBounds-09
FORMULA_NAME SmartHome-PT-09-UpperBounds-10
FORMULA_NAME SmartHome-PT-09-UpperBounds-11
FORMULA_NAME SmartHome-PT-09-UpperBounds-12
FORMULA_NAME SmartHome-PT-09-UpperBounds-13
FORMULA_NAME SmartHome-PT-09-UpperBounds-14
FORMULA_NAME SmartHome-PT-09-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1621195937111
[2021-05-16 20:12:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-16 20:12:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-16 20:12:19] [INFO ] Load time of PNML (sax parser for PT used): 63 ms
[2021-05-16 20:12:19] [INFO ] Transformed 253 places.
[2021-05-16 20:12:19] [INFO ] Transformed 293 transitions.
[2021-05-16 20:12:19] [INFO ] Found NUPN structural information;
[2021-05-16 20:12:19] [INFO ] Parsed PT model containing 253 places and 293 transitions in 105 ms.
Deduced a syphon composed of 29 places in 3 ms
Reduce places removed 29 places and 30 transitions.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 16 ms.
Finished random walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
[2021-05-16 20:12:19] [INFO ] Flatten gal took : 59 ms
[2021-05-16 20:12:19] [INFO ] Applying decomposition
[2021-05-16 20:12:19] [INFO ] Flatten gal took : 18 ms
[2021-05-16 20:12:19] [INFO ] Time to serialize gal into /home/mcc/execution/UpperBounds.pnml.gal : 26 ms
[2021-05-16 20:12:19] [INFO ] Time to serialize properties into /home/mcc/execution/UpperBounds.prop : 0 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/UpperBounds.pnml.gal, -t, CGAL, -reachable-file, UpperBounds.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]
its-reach command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/UpperBounds.pnml.gal -t CGAL -reachable-file UpperBounds.prop --nowitness --gen-order FOLLOW
Loading property file UpperBounds.prop.
Read [bounds] property : SmartHome-PT-09-UpperBounds-00 with value :p132
Read [bounds] property : SmartHome-PT-09-UpperBounds-01 with value :
Read [bounds] property : SmartHome-PT-09-UpperBounds-02 with value :p29
Read [bounds] property : SmartHome-PT-09-UpperBounds-03 with value :p122
Read [bounds] property : SmartHome-PT-09-UpperBounds-04 with value :p242
Read [bounds] property : SmartHome-PT-09-UpperBounds-05 with value :p125
Read [bounds] property : SmartHome-PT-09-UpperBounds-06 with value :p92
Read [bounds] property : SmartHome-PT-09-UpperBounds-07 with value :p244
Read [bounds] property : SmartHome-PT-09-UpperBounds-08 with value :p123
Read [bounds] property : SmartHome-PT-09-UpperBounds-09 with value :p78
Read [bounds] property : SmartHome-PT-09-UpperBounds-10 with value :p223
Read [bounds] property : SmartHome-PT-09-UpperBounds-11 with value :p3
Read [bounds] property : SmartHome-PT-09-UpperBounds-12 with value :p166
Read [bounds] property : SmartHome-PT-09-UpperBounds-13 with value :p151
Read [bounds] property : SmartHome-PT-09-UpperBounds-14 with value :p76
Read [bounds] property : SmartHome-PT-09-UpperBounds-15 with value :p75
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,3.94082e+11,7.25727,181256,2,59630,5,549605,6,0,1140,1.06224e+06,0
Total reachable state count : 394081848449
Verifying 16 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-00 :0 <= p132 <= 1
FORMULA SmartHome-PT-09-UpperBounds-00 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-00,0,7.2879,181520,1,0,7,549605,9,1,1589,1.06224e+06,4
Min sum of variable value : 0
Maximum sum along a path : 0
Bounds property SmartHome-PT-09-UpperBounds-01 :0 <= <= 0
FORMULA SmartHome-PT-09-UpperBounds-01 0 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-01,0,7.29212,181520,1,0,7,549605,10,1,1589,1.06224e+06,4
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-02 :0 <= p29 <= 1
FORMULA SmartHome-PT-09-UpperBounds-02 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-02,0,7.35577,181520,1,0,8,549605,11,1,1984,1.06224e+06,5
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-03 :0 <= p122 <= 1
FORMULA SmartHome-PT-09-UpperBounds-03 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-03,0,7.38609,181520,1,0,9,549605,12,1,2227,1.06224e+06,6
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-04 :0 <= p242 <= 1
FORMULA SmartHome-PT-09-UpperBounds-04 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-04,0,7.3867,181520,1,0,10,549605,13,1,2252,1.06224e+06,7
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-05 :0 <= p125 <= 1
FORMULA SmartHome-PT-09-UpperBounds-05 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-05,0,7.41592,181520,1,0,11,549605,14,1,2489,1.06224e+06,8
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-06 :0 <= p92 <= 1
FORMULA SmartHome-PT-09-UpperBounds-06 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-06,0,7.46747,181520,1,0,12,549605,15,1,2784,1.06224e+06,9
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-07 :0 <= p244 <= 1
FORMULA SmartHome-PT-09-UpperBounds-07 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-07,0,7.46806,181520,1,0,13,549605,16,1,2805,1.06224e+06,10
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-08 :0 <= p123 <= 1
FORMULA SmartHome-PT-09-UpperBounds-08 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-08,0,7.50374,181520,1,0,14,549605,17,1,3046,1.06224e+06,11
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-09 :0 <= p78 <= 1
FORMULA SmartHome-PT-09-UpperBounds-09 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-09,0,7.56177,181520,1,0,15,549605,18,1,3367,1.06224e+06,12
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-10 :0 <= p223 <= 1
FORMULA SmartHome-PT-09-UpperBounds-10 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-10,0,7.56282,181520,1,0,16,549605,19,1,3424,1.06224e+06,13
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-11 :0 <= p3 <= 1
FORMULA SmartHome-PT-09-UpperBounds-11 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-11,0,7.63959,181520,1,0,17,549605,20,1,3869,1.06224e+06,14
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-12 :0 <= p166 <= 1
FORMULA SmartHome-PT-09-UpperBounds-12 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-12,0,7.6543,181520,1,0,18,549605,21,1,4032,1.06224e+06,15
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-13 :0 <= p151 <= 1
FORMULA SmartHome-PT-09-UpperBounds-13 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-13,0,7.67537,181520,1,0,19,549605,22,1,4225,1.06224e+06,16
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-14 :0 <= p76 <= 1
FORMULA SmartHome-PT-09-UpperBounds-14 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-14,0,7.74119,181520,1,0,20,549605,23,1,4550,1.06224e+06,17
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SmartHome-PT-09-UpperBounds-15 :0 <= p75 <= 1
FORMULA SmartHome-PT-09-UpperBounds-15 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SmartHome-PT-09-UpperBounds-15,0,7.80974,181520,1,0,21,549605,24,1,4877,1.06224e+06,18
BK_STOP 1621195948435
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination UpperBounds -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SmartHome-PT-09"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2020"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool gold2020"
echo " Input is SmartHome-PT-09, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r264-tall-162106766700055"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SmartHome-PT-09.tgz
mv SmartHome-PT-09 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;